tree 9bdefdd8127aaaf5e2a5414c3f907c16a3a47b75
parent 87168ca1f7fc0cbf0f708990b78211c5e5e3b358
author Tony <twickham@google.com> 1528397176 -0700
committer Tony <twickham@google.com> 1528397176 -0700

Reapply back button alpha at end of state animation

We determine the toAlpha at the start of the state change, but something
may happen (e.g. we lose window focus) during the transition. So to make
sure we don't end in a state with the wrong alpha, reapply at the end.

Bug: 109835691
Change-Id: I271a1d269f861f698efbb8e66148a924c8620e71